21023255812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{4139}}^1$

素因数の和:4325

約数の個数: 96

約数和(自身を含む): 42941404800

約数和(自身を除く): 21918148988

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 97, 106, 194, 212, 247, 388, 494, 689, 988, 1007, 1261, 1378, 1843, 2014, 2522, 2756, 3686, 4028, 4139, 5044, 5141, 7372, 8278, 10282, 13091, 16556, 20564, 23959, 26182, 47918, 52364, 53807, 66833, 78641, 95836, 97679, 107614, 133666, 157282, 195358, 215228, 219367, 267332, 314564, 390716, 401483, 438734, 802966, 877468, 1022333, 1269827, 1605932, 2044666, 2539654, 2851771, 4089332, 4167973, 5079308, 5219279, 5703542, 7628177, 8335946, 10438558, 11407084, 15256354, 16671892, 20877116, 21278599, 30512708, 42557198, 54183649, 85114396, 99166301, 108367298, 198332602, 216734596, 276621787, 396665204, 404293381, 553243574, 808586762, 1106487148, 1617173524, 5255813953, 10511627906, 21023255812]

約数ペア:

[(1, 21023255812), (2, 10511627906), (4, 5255813953), (13, 1617173524), (19, 1106487148), (26, 808586762), (38, 553243574), (52, 404293381), (53, 396665204), (76, 276621787), (97, 216734596), (106, 198332602), (194, 108367298), (212, 99166301), (247, 85114396), (388, 54183649), (494, 42557198), (689, 30512708), (988, 21278599), (1007, 20877116), (1261, 16671892), (1378, 15256354), (1843, 11407084), (2014, 10438558), (2522, 8335946), (2756, 7628177), (3686, 5703542), (4028, 5219279), (4139, 5079308), (5044, 4167973), (5141, 4089332), (7372, 2851771), (8278, 2539654), (10282, 2044666), (13091, 1605932), (16556, 1269827), (20564, 1022333), (23959, 877468), (26182, 802966), (47918, 438734), (52364, 401483), (53807, 390716), (66833, 314564), (78641, 267332), (95836, 219367), (97679, 215228), (107614, 195358), (133666, 157282)]